be distended

See: expand
References in classic literature ?
When the nostril shall be distended, the mouth agape, the eyes fixed and bloodshot; and when the proud and noble knight may be trodden on by the lowest caitiff of this accursed castle, yet stir not when the heel is lifted up against him
A surgical review confirmed him to be distended, tympanic, with upper abdominal tenderness and scanty bowel sounds.
The baggot's vent will be distended and if you gently palpate its belly you will feel it full of spawn.